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Holotype, male (Fig. 10a). Length 3.53 mm. Color black; tarsi and antenna ferruginous. Body ovate; almost without constriction between pronotum and elytron; in profile evenly convex. Rostrum in basal third swollen, dorsally coarsely punctate and with indistinct median carina; apically shining, punctures more shallow, with longitudinal furrows. Pronotum densely punctate except along impunctate midline. Elytra punctate with small punctures, along basal margin with transverse row of deeper and denser punctures; striae impressed as fine lines; lateral stria behind humeri simple, not deepened. Profemur and mesofemur with anteroventral ridge ending abruptly 1/3 before apex. Metafemur with anteroventral ridge ending with bluntly angled tooth 1/3 before apex; with denticulate dorsoposterior edge; subapically with stridulatory patch. Mesotibia ventrally with spine in subapical 1/3, apically with premucro. Metatibia apically with uncus and larger subtriangular premucro. Aedeagus (Fig. 10b) with distinct, symmetrical transfer-apparatus; ductus ejaculatorius with bulbus. Intraspecific variation. Length 2.63–3.59 mm. Female rostrum basally simple, not swollen. Female mesotibia in subapical 1/3 simple, apically without premucro. Female metatibia without premucro.
Holotype (MZB): ARC570 (EMBL#FN429273), WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, Sentani, S02°32.0', E140°30.4', 700–900m, 02.XII.2007, beaten. Paratypes (ARC, SMNK, ZSM): WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, Sentani: 9 exx, ARC0464 (EMBL # FN429174), ARC0496 (EMBL # FN429203), ARC0498 (EMBL # FN429205), S02°31.8', E140°30.5', 600–900 m, 28.XI.2007; 12 exx, S02°31.6', E140°30.4', 900–1100 m, 28-XI-2007, beaten; 2 exx, S02°31.6', E140°30.4', 1000–1200 m, 30-XI-2007, beaten; 1 ex, S02°31.7' E140°30.3', 860–1150 m, 21-XI-2007, beaten; 2 exx, S02°32.0', E140°30.4', 700–900 m, 02-XII-2007, beaten; 4 exx, 950–1450 m, 03-X-1992; 1 ex, S02°31.794', E140°30.190', 800–860 m, 21-XI-2007, “Mim2”, beaten; 7 exx, 1100–1600 m, 05-X-1991; 1 ex, 1200–1400 m, 09-VIII-1992; 3 exx, 300–1400 m, 10-VIII-1991; 5 exx, 800–1000 m, 07-VIII-1992; 4 exx, 950–1450 m, 03-X-1992.
Jayapura Reg. (Cyclops Mts). Elevation: 860–1200 m.
Collected by beating foliage in montane forests.
This epithet is based on the Latin participle armatus (armed) and refers to the teeth of the male meso- and metatibia.
- Riedel, A; Sagata, K; Surbakti, S; Rene Tänzler, ; Michael Balke, ; 2013: One hundred and one new species of Trigonopterus weevils from New Guinea ZooKeys, 280: 1-150. doi
- Riedel A, Daawia D, Balke M (2010) Deep cox1 divergence and hyperdiversity of Trigonopterus weevils in a New Guinea mountain range (Coleoptera, Curculionidae). Zoologica Scripta, 39 (1): 63-74. doi: 10.1111/j.1463-6409.2009.00404.x